Посилання:On the representation of a number as a sum of the k-th powers in an arithmetic progression / N.S. Prosyanyuk // Algebra and Discrete Mathematics. — 2003. — Vol. 2, № 2. — С. 87–92. — Бібліогр.: 8 назв. — англ.
In this paper we obtain the asymptotic formula
for a natural n ≤ x which representate as a sum of two non-negative
k-th powers in an arithmetic progression.